Lexus IS250 IS220d GSE20 ALE20 - SEAT

FRONT POWER SEAT LUMBAR SWITCH - INSPECTION

1. INSPECT FRONT POWER SEAT LUMBAR SWITCH LH
Front Power Seat Lumbar Switch - Inspection. SEAT. Lexus IS250 IS220d GSE20 ALE20

Measure the resistance between the terminals when the switch is operated

  • Standard resistance:
  • Tester ConnectionSwitch ConditionSpecified Condition
    4 (E) - 3 (R)HOLDBelow 1 Ω
    2 (B) - 5 (H)HOLDBelow 1 Ω
    4 (E) - 3 (R)OFFBelow 1 Ω
    5 (H) - 1 (E)OFFBelow 1 Ω
    2 (B) - 3 (R)RELEASEBelow 1 Ω
    5 (H) - 1 (E)RELEASEBelow 1 Ω

If the result is not as specified, replace the switch.


2. INSPECT FRONT POWER SEAT LUMBAR SWITCH RH
Front Power Seat Lumbar Switch - Inspection. SEAT. Lexus IS250 IS220d GSE20 ALE20

Measure the resistance between the terminals when the switch is operated.

  • Standard resistance:
  • Tester ConnectionSwitch ConditionSpecified Condition
    1 (GND) - 5 (R)HOLDBelow 1 Ω
    2 (B) - 3 (H)HOLDBelow 1 Ω
    1 (GND) - 5 (R)OFFBelow 1 Ω
    3 (H) - 4 (E)OFFBelow 1 Ω
    3 (B) - 5 (R)RELEASEBelow 1 Ω
    3 (H) - 4 (E)RELEASEBelow 1 Ω

If the result is not as specified, replace switch.